224638 has 8 divisors (see below), whose sum is σ = 356832. Its totient is φ = 105696.
The previous prime is 224633. The next prime is 224669. The reversal of 224638 is 836422.
It is a happy number.
224638 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (224633) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3270 + ... + 3337.
It is an arithmetic number, because the mean of its divisors is an integer number (44604).
2224638 is an apocalyptic number.
224638 is a deficient number, since it is larger than the sum of its proper divisors (132194).
224638 is a wasteful number, since it uses less digits than its factorization.
224638 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6626.
The product of its digits is 2304, while the sum is 25.
The square root of 224638 is about 473.9599139168. The cubic root of 224638 is about 60.7893838228.
The spelling of 224638 in words is "two hundred twenty-four thousand, six hundred thirty-eight".
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